docs: def repo_tools(self, repo, branch, version):
          """ Get available tools for a repository branch at a version """
          try:
              tools = []
              status = self.path_dirs.apply_path(repo)
              # switch to directory where repo will be cloned to
              if status[0]:
                  cwd = status[1]
              else:
                  self.logger.error('apply_path failed. Exiting repo_tools with'
                                    ' status: ' + str(status))
                  return status
  
              # TODO commenting out for now, should use update_repo
              #status = self.p_helper.checkout(branch=branch, version=version)
              status = (True, None)
  
              if status[0]:
                  path, _, _ = self.path_dirs.get_path(repo)
                  tools = AvailableTools(path, version=version)
              else:
                  self.logger.error('checkout failed. Exiting repo_tools with'
                                    ' status: ' + str(status))
                  return status
  
              chdir(cwd)
              status = (True, tools)
          except Exception as e:  # pragma: no cover
              self.logger.error('repo_tools failed with error: ' + str(e))
              status = (False, e)
  
          return status